Adding the random function, defaults to RAND().

git-svn-id: http://svn.php.net/repository/pear/packages/MDB2/trunk@214663 c90b9560-bf6c-de11-be94-00142212c4b1
pear · Jun 12, 2006 · 46d6467 · 46d6467
1 parent 250ef20
commit 46d6467
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diff --git a/MDB2/Driver/Function/Common.php b/MDB2/Driver/Function/Common.php
@@ -161,6 +161,20 @@ function concat($value1, $value2)
         return "(".implode(' || ', $args).")";
     }
 
+    // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return string to call a function to get random value
+     * @access public
+     */
+    function random()
+    {
+        return 'RAND()';
+    }
+
     // }}}
 }
 ?>
diff --git a/MDB2/Driver/Function/pgsql.php b/MDB2/Driver/Function/pgsql.php
@@ -81,5 +81,19 @@ function &executeStoredProc($name, $params = null, $types = null, $result_class
         return $db->query($query, $types, $result_class, $result_wrap_class);
     }
     // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return string to call a function to get random value
+     * @access public
+     */
+    function random()
+    {
+        return 'RANDOM()';
+    }
+
+    // }}}
 }
 ?>
diff --git a/MDB2/Driver/Function/sqlite.php b/MDB2/Driver/Function/sqlite.php
@@ -105,5 +105,21 @@ function substring($value, $position = 1, $length = null)
         }
         return "substr($value,$position,length($value))";
     }
+
+    // }}}
+    // {{{ random()
+
+    /**
+     * return string to call a function to get random value inside an SQL statement
+     *
+     * @return string to call a function to get random value
+     * @access public
+     */
+    function random()
+    {
+        return 'RANDOM()';
+    }
+
+    // }}}
 }
 ?>